Rivers and Their Impact

What is the process by which rivers erode rocks and dirt?

• Deposition

• Erosion

• Melting

• Evaporation

What are the rounded rocks along the inner bank of a river called?

• Melon rocks

• Pebbles

• Boulders

• Gravel

What are the bends in a river called?

• Oxbows

• Waterfalls

• Rapids

• Meanders

What causes a river or stream to tumble over a cliff?

• Erosion

• Deposition

• Melting

• Evaporation

What are glaciers?

• Frozen rivers of ice

• Underground sources of water

• Springs

• Waterfalls

What can a river carve out over thousands of years?

• Mountains

• Lakes

• Valleys

• Deserts

What is the flow of a river called?

• Current

• Rapids

• Deposition

• Erosion

What happens when the hard rock underneath the riverbed slopes up or is tilted?

• Waterfalls

• Rapids

• Deposition

• Erosion

What can too much water in a river cause?

• Erosion

• Deposition

• Floods

• Droughts

What are rivers used for?

• Making electricity and recreation

• Transportation and farming

• Drinking water and fishing

• All of the above